Locomotive trailing truck



Latented Auf. 5, 1919.

2 SHEETS-SHEET l.

F. J. COLE LocoMon/E TRAILING TRUCK.

, APPLICATION FILED MAY 1G, 9l9. 1,311,875D

WITNESSES www F. I. COLE.

LocomolvE TRAILAING mucK.

I APPLICATION FILED IIIAYIO. I9I9.

2 SHEETS-SHEET 2.

A. uv- IIIl-IIIIIIIIIIIII 'l' 46- l 4c V 4c 4 l 9e wlTNEssEs Patented Aug. 5, 1919.

' UNTTED STATES PATENT onnron.

FRANCIS J'. COLE, 0F SCHENECTADY, NEW YORK LOCOMOTIVE TRAILING TRUCK.

Specification of Letters Iatent.

Patented Aug. 5, 1919s application ned my 1o, 191s. serial No. 296,075.

-general design of the fire-box, ash-pan, or accessories, as heretofore constructed, 1n

' standard practice, or any substantial detail modification of the ash pan. The improvement claimed is hereinafter fully set forth.

'In the accompanying drawings: Figure 1 is a side view, in elevation,`of the rear portion of a locomotive engine, illustrating an embodiment of my invention; F ig. 2, a half plan View, with the iirebox removed; Fig 3, a vertical transverse section, on the line a. a. of Fig. 1; and, Fig. 4, a view, the left hand half of which is a rear elevation, and the right hand half, a vertical transverse `section, on the line b b of Fig. 1.

In the descriptively to the specific embodiment thereof which is herein exemplied, I provide a truck trame comprising two parallel side members, 1, 1; a transverse .central member, 1, connecting the side members at or about the middle of their length; anda transverse front member. 1", the latter being forwardly inclined from the side members to the longitudinal central plane of the truck, and havin a forwardly projecting radius bar, 1, at lts middle, socketed to receive a center pin. The transverse central member, la, does not carry a swing bolster or `center' pin as in ordinary practice, and, therefore, its middle portion is narrow, and it is widened at and adjoining its ends, as shown in F ig. 2, to provide bearings to which Weight is transmitted from the main frame of the locomotive, through equalizers, as hereinafter described. In the instance eX- emplied, the truck frame is shown as built up in connected sections, but it may, if preerred, be in the form of an integral casting, without departure from the spirit and o erative principle of my invention. The ra ius I l tothe rear spring hangers, 8", ofthe driving bar, l, is coupled, by a center pin, to a cross practice of my invention, referring tie, 3", secured to the side members, 3, or the main frame of the iocomotive, and to the supplemental frame members, 3, which extend rearwardly therefrom, above the truck frame.

The truck is supported on two pairs of truck wheels, t', which pairs ci. wheels are fixed on'two truck axles, 4, journaled in axle boxes, 4b, fitted, in the usuai manner, in pedestals, 4, truck frame. The weight carried by the truck frame acts upon the axle boxes through truck equalizers, 5, which bear, at their ends, on the axle boxes, and are coupled to the ends of springs, 6, on which y the side members of the truck frame bear.

The rear driving wheels` 7, of the locomotive, are fixed on an axle, 7, whichis fitted in boxes in the main frame., 3, in the ordinary manner, the supported weight bein transmitted to the driving boxes throug springs, 8. The'truck, as a whole, is equalized with the reardriving wheels by main equalizers, 9, which are located above the truck frame, and parallel with the side members thereof, and are 9b, in cylindrical transmission blocks, 10, forming parts of resistance devices for controlling the swinging movements of the truck. Flach of the transmission blocks is fitted to move vertically in a guide, 10, secured to and supported by, an outwardly projecting bracket. 10", on the supplemental engine frame, 3a. The lower end of the block,` 10. carries a shoe. 10, the lower face of which is downwardly inclined, in opposite directions` and bears on a roller, 10", journaled, in ahorizontal plane. on the transverse central member. 1". ofthe truck frame. Swinging movement of the truck, in either direction is resisted by the frictional resistance between the roller and shoe, and the inclined surfaces of the latter act to return the truck to normal central position, when passing from a curve to a tangent of the track.

The rear end of each of theequalizers, 9,

bears on an abutment, 9, fixed to the adjacent supplemental engine frame, 3, and its forward end is coupled to the upper end of a link, 9d, the lower end of which is` in turn,

journaled, by pins,

ixedto the side members of the coupled to one end of a supplemental equalizerr.- 9, journaled in a. bearing, 9f, on the main engine frame, and having its opposlte end coupled to aflmk, 8", which 1s connected Wheel spring, 8. The application of the supplemental equalizer, 9, enables the length ot the main equalizer to 'be kept within desirable limits, and facilitates its connection with the driving spring.

he firebox, 11, of the boiler, 11,-is snpported on the supplemental engine Jframe members, 3, in'any suitable and preferred manner, as b front and rear expansion plates, 12, an the only transverse members of the truck which lie under it being the axles and the comparatively narrow central transverse member, l, the space below it is not substantially obstructed, and an ash pan, 13, of suitable construction may be readily applied. f

The inventionis readily adaptable in locomotives of the present standard constructions, in which rear overlianging Weight is carried on wheels which are not driving Wheels, and its application does not involve any substantial obstruction or modification or" the standard form and dimensions of the ash pan.

l claim as my invention and desire to se cure by Letters Patent:

1. ln a locomotive engine, the combination oi a main frame; driving wheels jonrnaled in bearings therein; a boiler supported on the main frame and having its tirebox back of the rear driving Wheels; a four wheeled truck located below the firebox, and pivoted, at its front end, to tbe main frame, said truck having a transverse member connecting its side frame members between the truck axles; and equalizing mechanism, bearing on said transverse member and adapted to transfer weight thereto from the main frame.

2. ln. a locomotive engine, tlie combination of a main frame; driving wheels jonrnaled in bearings therein; a boiler supported on the main frame, and having its lirebon l adapted to transfer weight from back of the rear driving' wheels; a four wheeled truck located below the firebox, and pivoted, at its front end, to the main frame, said truck having ay transverse member connecting its side frame members, between the truck axles; and equalizing mechanism, the main frame to the truer frame, in the plane of said transverse member.

3. ln a locomotive engine, the Combination of a main frame; driving Wheels jonrnaled in bearings therein; a boiler supported on the main frame and having its Firebox back of the rear driving Wheels; a four wheeled truck located below the rebox, and pivoted, at its front end, to the main frame, said truck having a transverse member connecting its side frame members, between the truck axles; eqnalizing mechanism, adapted to transfer weight from the main frame to the truck frame, in the plane of said trans verse member; and a. resistance device for controlling the swinging movements of the truck and returning it to normal central. position, the action of which is applied to the. truck frame in the plane of the transverse member thereof.

4. ln a locomotive engine trailing tinck, a truck frame comprising` side members having pedestals for the boxes of tWo truck axles; a transverse front member having a radius bar at its forward end, adapted to be coupled to a locomotive main frame; and a transverse central member, located between the pedestals, and adapted to receive weight transmitted from a locomotive main frame, only at bearing points located in planes terior to such main frame.

FRANCIS d. GOL-ll.

Vlitnesses:

J HOWARD lv sean, lt. F. HAL 

